cudaGraphBase: constrain the variadic ctor on Creator being invocable - #804
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Gooh456 wants to merge 1 commit into
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cudaGraphBase: constrain the variadic ctor on Creator being invocable#804Gooh456 wants to merge 1 commit into
Gooh456 wants to merge 1 commit into
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Signed-off-by: Kyue <164024549+Gooh456@users.noreply.github.com>
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looks good, will review properly in a bit |
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Fixes #753.
cudaGraphBase(ArgsT&&...)forwards straight toCreator{}(args...)with no constraint, so anything that probes it viastd::constructible_from/if constexprgets a hard error from inside the constructor body instead of SFINAE'ing away cleanly. Addedrequires std::invocable<Creator, ArgsT...>— matches the fix suggested in the issue,<concepts>is already available transitively through traits.hpp so nothing new to include.I don't have a CUDA toolchain here to compile-verify this against the reporter's exact
if constexpr(std::constructible_from<...>)repro — flagging that so it gets a real build check in CI/review rather than assuming it's clean.